Belt-shifter.



F. M. FURBER.

BELT SHIFTER. APPLICATION man JULY 15. 1914.

Patented. Ap1.20, 1915.

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FREDERICK FURER, OF REVERE, MASSACHUSETTS, .ASSIGNOR TO UNITED SHOEMACHINERY COMPANY, F PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

BELT-SHIFTER.

Specification of Letters Patent.

Patented am. 2o, 11115.

T0 all. whom it may concern Beit known that I; FREDERICK M. FURBER, acitizen of the United States, residing at Revere, in the county ofSuffolk and State 5 of Massachusetts, have invented" certainImprovements in Belt-Shifters, of which the following description, inconnection with the accompanying drawings, is a spec1- iication, likereference characters on the drawings indicating like parts in theseveral figures. y

This invention relates to belt Shifters and is herein illustrated inconnection with a belt shifter which is adapted to receive a belt l5with equal facility irrespective of whether the shaft from which thebelt transmits power is located above, below or at either side of themachine the operation of which the belt shifter controls.

The general object of the present inven- 'tion is to produce an improvedbelt shifter of the general type indicated above which shall be simple,eflicient and inexpensive to manufacture.

.Referring to the accompanying drawing, the figure illustrates inperspective a portion of a machine in which the present invention isembodied.

The shaft 1 carries the usual fast and loose pulleys 3 and 5 with eitherof which a belt 7 may be caused to cooperate by being shifted into theproper position. A projection 11 of the bearing 9 of the shaft has aslide bearing to receive a slide rod 13, a handle 15 being provided onone end of said rod to facilitate its manipulation. The other end of therod 13 is adjustably held by a screw bolt .1G in a socket 17 formed in aboss which is integral with a cylindrical member or ring 19. Carried bythe ring 19 .is a second ring 21 which is angularly adjustable withrespect to said first ring; and carried by the second ring is a shiftermember or fork 23 which is adapted to embrace the belt 7. Thefork-carrying ring 21 is herein shown as located inside the ring 19 andis held in adjusted position by screw bolts 25 which are threadedthrough the ring 19 and bear against the periphery of the ring 21.

It should be noted that the diameters of the rings 19 and 2l are eachgreater than the diameter of either of the pulleys 3 and 5 so that theymay pass freely over said pulleys when the slide rod 13 is manipulated.

A machine fitted with the belt shifter of the present invention may bereadily set up in a factory irrespective of the position of the powershaft from which the belt 7 runs provided, of course, that said shaft isparallel to the shaft l of the machine. After the machine has been setup and slide rod 13 adjusted in the socket 17 the rirg 21 is adjustedanfrularly to bring the belt-engaging member 23 into proper position toreceive the belt, this position depending upon the location of the powershaft with respect to the shaft 1 of the machine.

IAIaving thus described the invention, what I claim as new and desire tosecure by Letters Patent of the United States is:

1. The combination with a shaft, a plurality of pulleys mounted thereon,and a belt adapted to cooperate with any selected pulley, of means forshifting said belt from one pulley to another comprising a manuallymovable member, a ring fastened to said member and arranged to encirclesaid shaft, a second ring carried by said first ring and angularlyadjustable with respect thereto, means for holding said ring in adjustedposition, and a belt engaging member carried by said second ring.

The combination with a. shaft, a `plurality of pulleys mounted thereonand a belt adapted to cooperate with any selected pulley, of means forshifting said belt from one pulley to another comprising a manuallymovable member, a ring fastened to said member and arranged to encirclesaid shaft, a. second ring located inside said first ring and angularlyadjustable therein, means for holding said second ring in adjustedposition, and a beltengaging member carried by said second ring.

The combination with a shaft, a plurality of pulleys mounted thereon anda belt adapted to cooperate with any selected pulley of a movable memberhaving a cylindrical bearing the diameter of which is greater than thatof any of the pulleys, a second cylindrical member mounted on saidbearing and adjustable angularly with re` spect to said first memberthrough three hundred and sixty degrees, the diameter of said secondcylindrical member being also ite greater thanl that of lany of thepulleys, means for holding said second member in adjusted position, andabelt engaging member carried by said second cylindrical member.

4. The combination with 'a shaft, a p1uralitv of pulleys mountedthereon, and a belt adapted to coperate with any selected pulley, ofmeans for shifting the belt from 1 0 one pulley to another comprising amanually movable member, a ring encircling said shaft and adjustablelongitudinally of said member, a second ring carried b v said first ringand angular-ly adjustable With respect thereto, and a belt engagingmember carried bv said second ring.

5. The combination with' a shaft, a plurality of pulleys mounted thereonand a belt adapted to coperate with any selected pulley, of meansfor-shifting hthe belt from one pulley to another comprising a sliderod,

a ring encircling said shaft and having a boss provided with a socket toreceive said rod, means for holding said rod in adjusted position insaid socket, a second ring carried by said lirst ring and angularlvadjustable with respect thereto, means for holdin said second ring inadjusted position, an a .belt engaging member projecting from saidsecond ring.

In testimony whereof I have signed my name to this speciucation in thepresence of two subscribing witnesses.

FREDERICK M. FHRER.

Witnesses LnsTnr. S. MACDONALD, UHns'rEn E. ROGERS.

